Sunk 16 May, 1944 northeast of the Faroes, in position 63.05N, 03.10E, by depth charges from a Norwegian Sunderland aircraft (Sqdn. 330/V). (Postwar assessment)Notes. This attack was in fact against U-668 inflicting no damage.

Men lost from U-boats

Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-240 did not suffer any casualties (we know of) until the time of her loss.